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78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/* Get additional symbol information from symbol table at the given index.
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Copyright (C) 2000, 2001, 2002, 2005, 2009, 2014, 2015 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2000.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include <gelf.h>
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#include <string.h>
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#include "libelfP.h"
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GElf_Syminfo *
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gelf_getsyminfo (Elf_Data *data, int ndx, GElf_Syminfo *dst)
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{
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GElf_Syminfo *result = NULL;
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if (data == NULL)
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return NULL;
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if (unlikely (data->d_type != ELF_T_SYMINFO))
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{
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__libelf_seterrno (ELF_E_INVALID_HANDLE);
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return NULL;
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}
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/* The types for 32 and 64 bit are the same. Lucky us. */
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assert (sizeof (GElf_Syminfo) == sizeof (Elf32_Syminfo));
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assert (sizeof (GElf_Syminfo) == sizeof (Elf64_Syminfo));
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rwlock_rdlock (((Elf_Data_Scn *) data)->s->elf->lock);
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/* The data is already in the correct form. Just make sure the
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index is OK. */
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if (INVALID_NDX (ndx, GElf_Syminfo, data))
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{
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__libelf_seterrno (ELF_E_INVALID_INDEX);
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goto out;
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}
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*dst = ((GElf_Syminfo *) data->d_buf)[ndx];
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result = dst;
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out:
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rwlock_unlock (((Elf_Data_Scn *) data)->s->elf->lock);
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return result;
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}
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